Bible Encyclopedias
Impenetrability

The Nuttall Encyclopedia

The name given to that quality of matter whereby two bodies cannot occupy the same space at the same time.

Bibliography Information
Wood, James, ed. Entry for 'Impenetrability'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​i/impenetrability.html. Frederick Warne & Co Ltd. London. 1900.